102213105 has 16 divisors (see below), whose sum is σ = 163762560. Its totient is φ = 54439808.

The previous prime is 102213101. The next prime is 102213113. The reversal of 102213105 is 501312201.

It is a cyclic number.

It is not a de Polignac number, because 102213105 - 2² = 102213101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (102213101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7924 + ... + 16346.

It is an arithmetic number, because the mean of its divisors is an integer number (10235160).

Almost surely, 2^102213105 is an apocalyptic number.

102213105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102213105 is a deficient number, since it is larger than the sum of its proper divisors (61549455).

102213105 is an equidigital number, since it uses as much as digits as its factorization.

102213105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 102213105 is about 10110.0497031419. The cubic root of 102213105 is about 467.5580375391.

Adding to 102213105 its reverse (501312201), we get a palindrome (603525306).

The spelling of 102213105 in words is "one hundred two million, two hundred thirteen thousand, one hundred five".